add ipv6 detection for external port binding

This commit is contained in:
Michael Hobbs
2015-01-05 10:47:20 -08:00
parent 948d7902f2
commit 441d212ef2
3 changed files with 46 additions and 5 deletions

View File

@@ -1,6 +1,21 @@
#!/usr/bin/env bash
set -eo pipefail; [[ $DOKKU_TRACE ]] && set -x
RE_IPV4="([0-9]{1,3}[\.]){3}[0-9]{1,3}"
RE_IPV6="([0-9a-fA-F]{1,4}:){7,7}[0-9a-fA-F]{1,4}|" # TEST: 1:2:3:4:5:6:7:8
RE_IPV6="${RE_IPV6}([0-9a-fA-F]{1,4}:){1,7}:|" # TEST: 1:: 1:2:3:4:5:6:7::
RE_IPV6="${RE_IPV6}([0-9a-fA-F]{1,4}:){1,6}:[0-9a-fA-F]{1,4}|" # TEST: 1::8 1:2:3:4:5:6::8 1:2:3:4:5:6::8
RE_IPV6="${RE_IPV6}([0-9a-fA-F]{1,4}:){1,5}(:[0-9a-fA-F]{1,4}){1,2}|" # TEST: 1::7:8 1:2:3:4:5::7:8 1:2:3:4:5::8
RE_IPV6="${RE_IPV6}([0-9a-fA-F]{1,4}:){1,4}(:[0-9a-fA-F]{1,4}){1,3}|" # TEST: 1::6:7:8 1:2:3:4::6:7:8 1:2:3:4::8
RE_IPV6="${RE_IPV6}([0-9a-fA-F]{1,4}:){1,3}(:[0-9a-fA-F]{1,4}){1,4}|" # TEST: 1::5:6:7:8 1:2:3::5:6:7:8 1:2:3::8
RE_IPV6="${RE_IPV6}([0-9a-fA-F]{1,4}:){1,2}(:[0-9a-fA-F]{1,4}){1,5}|" # TEST: 1::4:5:6:7:8 1:2::4:5:6:7:8 1:2::8
RE_IPV6="${RE_IPV6}[0-9a-fA-F]{1,4}:((:[0-9a-fA-F]{1,4}){1,6})|" # TEST: 1::3:4:5:6:7:8 1::3:4:5:6:7:8 1::8
RE_IPV6="${RE_IPV6}:((:[0-9a-fA-F]{1,4}){1,7}|:)|" # TEST: ::2:3:4:5:6:7:8 ::2:3:4:5:6:7:8 ::8 ::
RE_IPV6="${RE_IPV6}fe08:(:[0-9a-fA-F]{1,4}){2,2}%[0-9a-zA-Z]{1,}|" # TEST: fe08::7:8%eth0 fe08::7:8%1 (link-local IPv6 addresses with zone index)
RE_IPV6="${RE_IPV6}::(ffff(:0{1,4}){0,1}:){0,1}${RE_IPV4}|" # TEST: ::255.255.255.255 ::ffff:255.255.255.255 ::ffff:0:255.255.255.255 (IPv4-mapped IPv6 addresses and IPv4-translated addresses)
RE_IPV6="${RE_IPV6}([0-9a-fA-F]{1,4}:){1,4}:${RE_IPV4}" # TEST: 2001:db8:3:4::192.0.2.33 64:ff9b::192.0.2.33
case "$1" in
domains)
[[ -z $2 ]] && echo "Please specify an app to run the command on" && exit 1
@@ -23,7 +38,7 @@ case "$1" in
else
VHOST=$(< "$DOKKU_ROOT/HOSTNAME")
fi
if [[ "$VHOST" =~ ([0-9]{1,3}[\.]){3}[0-9]{1,3} ]];then
if [[ "$VHOST" =~ $RE_IPV4 ]] || [[ "$VHOST" =~ $RE_IPV6 ]];then
echo "ip found as hostname. disabling vhost support"
[[ ! $(grep -q NO_VHOST "$DOKKU_ROOT/$APP/ENV") ]] && echo "export NO_VHOST='1'" >> "$DOKKU_ROOT/$APP/ENV"
else

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@@ -2,8 +2,23 @@
set -eo pipefail; [[ $DOKKU_TRACE ]] && set -x
APP="$1"
set +e; NO_VHOST=$(dokku config:get $APP NO_VHOST); set -e
RE_IPV4="([0-9]{1,3}[\.]){3}[0-9]{1,3}"
RE_IPV6="([0-9a-fA-F]{1,4}:){7,7}[0-9a-fA-F]{1,4}|" # TEST: 1:2:3:4:5:6:7:8
RE_IPV6="${RE_IPV6}([0-9a-fA-F]{1,4}:){1,7}:|" # TEST: 1:: 1:2:3:4:5:6:7::
RE_IPV6="${RE_IPV6}([0-9a-fA-F]{1,4}:){1,6}:[0-9a-fA-F]{1,4}|" # TEST: 1::8 1:2:3:4:5:6::8 1:2:3:4:5:6::8
RE_IPV6="${RE_IPV6}([0-9a-fA-F]{1,4}:){1,5}(:[0-9a-fA-F]{1,4}){1,2}|" # TEST: 1::7:8 1:2:3:4:5::7:8 1:2:3:4:5::8
RE_IPV6="${RE_IPV6}([0-9a-fA-F]{1,4}:){1,4}(:[0-9a-fA-F]{1,4}){1,3}|" # TEST: 1::6:7:8 1:2:3:4::6:7:8 1:2:3:4::8
RE_IPV6="${RE_IPV6}([0-9a-fA-F]{1,4}:){1,3}(:[0-9a-fA-F]{1,4}){1,4}|" # TEST: 1::5:6:7:8 1:2:3::5:6:7:8 1:2:3::8
RE_IPV6="${RE_IPV6}([0-9a-fA-F]{1,4}:){1,2}(:[0-9a-fA-F]{1,4}){1,5}|" # TEST: 1::4:5:6:7:8 1:2::4:5:6:7:8 1:2::8
RE_IPV6="${RE_IPV6}[0-9a-fA-F]{1,4}:((:[0-9a-fA-F]{1,4}){1,6})|" # TEST: 1::3:4:5:6:7:8 1::3:4:5:6:7:8 1::8
RE_IPV6="${RE_IPV6}:((:[0-9a-fA-F]{1,4}){1,7}|:)|" # TEST: ::2:3:4:5:6:7:8 ::2:3:4:5:6:7:8 ::8 ::
RE_IPV6="${RE_IPV6}fe08:(:[0-9a-fA-F]{1,4}){2,2}%[0-9a-zA-Z]{1,}|" # TEST: fe08::7:8%eth0 fe08::7:8%1 (link-local IPv6 addresses with zone index)
RE_IPV6="${RE_IPV6}::(ffff(:0{1,4}){0,1}:){0,1}${RE_IPV4}|" # TEST: ::255.255.255.255 ::ffff:255.255.255.255 ::ffff:0:255.255.255.255 (IPv4-mapped IPv6 addresses and IPv4-translated addresses)
RE_IPV6="${RE_IPV6}([0-9a-fA-F]{1,4}:){1,4}:${RE_IPV4}" # TEST: 2001:db8:3:4::192.0.2.33 64:ff9b::192.0.2.33
if [[ -f "$DOKKU_ROOT/VHOST" ]];then
GLOBAL_VHOST=$(< "$DOKKU_ROOT/VHOST")
else
@@ -12,8 +27,8 @@ fi
if [[ -n "$NO_VHOST" ]]; then
echo true # bind to external ip. VHOST is disabled for this app
elif [[ "$GLOBAL_VHOST" =~ ([0-9]{1,3}[\.]){3}[0-9]{1,3} ]];then
echo true # bind to external ip. GLOBAL_VHOST is somehow an IP
elif [[ "$GLOBAL_VHOST" =~ $RE_IPV4 ]] || [[ "$GLOBAL_VHOST" =~ $RE_IPV6 ]]; then
echo true # bind to external ip. GLOBAL_VHOST is somehow an IPv4 or IPv6 address
elif [[ -f "$DOKKU_ROOT/$APP/VHOST" ]]; then
echo false # bind to docker ip. this app has a vhost defined
else